969879843 has 12 divisors (see below), whose sum is σ = 1401226320. Its totient is φ = 646453296.

The previous prime is 969879839. The next prime is 969879901. The reversal of 969879843 is 348978969.

It is not a de Polignac number, because 969879843 - 2² = 969879839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (969879803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56905 + ... + 71957.

It is an arithmetic number, because the mean of its divisors is an integer number (116768860).

Almost surely, 2^969879843 is an apocalyptic number.

969879843 is a deficient number, since it is larger than the sum of its proper divisors (431346477).

969879843 is a wasteful number, since it uses less digits than its factorization.

969879843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22218 (or 22215 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 969879843 is about 31142.8939406729. The cubic root of 969879843 is about 989.8574236060.

The spelling of 969879843 in words is "nine hundred sixty-nine million, eight hundred seventy-nine thousand, eight hundred forty-three".